Subaru Impreza WRX STI 2.0 Turbo / 2.5 Turbo Stage 1 - Reviews | Denso

Subaru Impreza WRX STI 2.0 Turbo / 2.5 Turbo Stage 1 - Reviews | Denso
WRX STI 2.5T | Denso 68HC16D151 84429 | Tuning Files
Unleash the rally-bred performance of your Subaru WRX STI with this comprehensive Stage 1 tuning package. Specifically calibrated for models equipped with the Denso 68HC16-based ECU, this package offers a significant boost in power and driver engagement for an otherwise stock vehicle.

This package provides two distinct tuning options to suit your preference. The first is a pure Stage 1 performance file, designed to optimize boost, fuel, and timing for a substantial increase in horsepower and torque, transforming your driving experience. The second option includes the same powerful Stage 1 calibration but adds an aggressive Pop & Bang (crackle on overrun) map, delivering the signature sound of a rally car. Both files have been carefully developed to provide reliable power for your legendary STI.

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New Tuning File Available: WRX STI 2.5T | Denso 68HC16D151 84429 | Tuning Files 151 - Subaru Stage 1 Tuning Pack | SW: 84429 | A high-performance package for the iconic WRX STI, offering a powerful Stage 1 tune with an optional Pop & Bang version.

đź’¬ Discussion & Reviews: Subaru 2.0 Turbo / 2.5 Turbo​


Welcome to the official discussion thread for the Subaru 2.0 Turbo / 2.5 Turbo tuning package. This calibration is specifically developed for the Denso ECU and optimized for maximum reliability.

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This tuning file was created using the Ziptuning.com professional portal based on the vehicle's original software. Intended for motorsport/off-road use only. Ensure the vehicle is in good mechanical condition before installation. The seller is not liable for misuse or non-compliant road use.

Extended Product Information​

  • Two File Options Included:
    • Stage 1: A robust performance tune for a stock vehicle, delivering significant gains in horsepower and torque.
    • Stage 1 + Pop & Bang: Includes all the performance benefits of Stage 1, plus an aggressive overrun crackle for an enhanced audible experience.
  • Improved turbo response and reduced lag.
  • Optimized fuel and ignition mapping for high-octane fuel.
  • All engine safety features are retained and adjusted for the new performance level.

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